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Quick Look
The MR556A1 is a civilian variant of the Swiss Army's SG 550 rifle, known for its precision and durability since the 1990s. Designed for reliability and accuracy under various conditions, it remains a favored choice among enthusiasts and professionals for tactical and sporting applications.
Why It's a Top Choice
- Swiss engineering ensures exceptional reliability
- High-precision barrel supports accuracy
- Robust construction for diverse environments
- Modular design allows customization
- Strong aftermarket community support
Key Variants
MR556A1
Ideal for shooters seeking Swiss-made precision with civilian-legal features and enhanced durability.
Competitor Comparison Table
| Feature | MR556A1 | FN SCAR 16S | HK 416 |
|---|---|---|---|
| MSRP | $2,500 approx. | $3,000 approx. | $3,400 approx. |
| Capacity/Size | 30 rounds, 16\" barrel | 30 rounds, 16.25\" barrel | 30 rounds, 16.5\" barrel |
| Weight | 8.6 lbs | 7.9 lbs | 7.9 lbs |
| Optics-Ready | Yes, Picatinny rail | Yes, modular rails | Yes, integral rail |
| Trigger Type | Two-stage | Single-stage | Two-stage |
| Notable Pro | Superior barrel accuracy | Lightweight design | Reliable in harsh conditions |
| Notable Con | Heavier than competitors | Higher price point | Costly maintenance |
Best Use Cases
- Tactical training and duty use
- Competitive shooting sports
- Home and personal defense
- Recreational target practice
- Collecting precision rifles
FAQs
Can I use standard AR-15 magazines with the MR556A1?
The MR556A1 uses standard AR-15 style magazines, ensuring wide compatibility with most 5.56 NATO magazines.
What is the barrel length of the MR556A1?
The MR556A1 features a 16-inch cold hammer-forged barrel designed for accuracy and durability.
How does the MR556A1 perform in adverse conditions?
With Swiss engineering, the MR556A1 maintains reliable function in harsh weather and rugged environments.







